Everyone has different views on hardening IOS, and while I do not claim to be an expert, these are the practices that I commonly use when bringing up a new device. If you see something I missed, please leave a comment and I’ll add it to the list and send the credit your way. I’ve […]
IOS Embedded Packet Capture
Tired of setting up SPAN sessions? Need to do some packet analysis? Since IOS 12.4(20)T Cisco has made Embedded Packet Capture (EPC) available. EPC is a powerful troubleshooting tool that allows engineers to capture packets inside a Cisco router which can be essential in many troubleshooting scenarios. Configuring EPC The following steps will guide you […]
Petition Cisco for Educational IOS Licensing
Greg Ferro of Etheralmind.com has started a petition asking Cisco to embrace those who pursue Cisco’s certifications a legal course of licensing without the cost of building a home made space shuttle. Please take some time and read / sign the petition. We want to be able to practice that knowledge, and demonstrate our competence. […]
IOS ACL Resequencing
This is one of those tricks you wish you learned about 10 years ago, but never did. You know how easy it is to mess up a nice looking access list. You get one setup on the router, and then you end up tinkering with it over the next month and the next thing you […]
An Essential Alias for Forgetful Engineers Like Myself (updated)
How many times a day do you issue a show command from configuration mode ? If you’re anything like me, its enough to get annoying. Luckily Cisco has given us the ability to user define aliases, here is a simple solution to this issue. Router(config)#alias configure show do show While this fixes part of the […]
Cisco IOS Tips and Tricks
So, I’m sure these have been posted almost on every networking blog under the sun, but who knows, right? Here are a few tips and tricks to help you move around the IOS a bit faster, find information faster, and locate problems… faster. Tony MattkeNetwork engineer turned management currently servicing the enterprise data center market. […]
